Mono and diterpenes from seeds of Xylopia sericea
A monoterpene, 3beta,6beta-dihydroxy-p-menth-1-ene has been isolated from the seeds of Xylopia sericea along with four kaurane, one beyerene, one atisene and four trachylobane diterpenoids, including the trachyloban-18- and 19-methyl esters. The X-ray crystal structure of methyl ent-trachyloban-18-oate was determined in order to make an unambiguous distinction between the 18- and 19-esters. The 13C NMR data for ent-15alpha-hydroxy-trachyloban-19-oic acid has been revised.
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Main Authors: | , , , , , |
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Format: | Digital revista |
Language: | Portuguese |
Published: |
Sociedade Brasileira de Química
2001
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Online Access: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422001000500008 |
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